Valve-discharge.



PATENTED DEC. 24, 1907.

W. E. ETHRIDGE. VALVE DISCHARGE. APPLIOAT ION FILED APR.2.1907.

2 SHEETS-SHEET 1.

atto'omu o PATENTED DEC. 24, 1907.

W. E. ETHRIDGE. VALVE DISCHARGE.

APPLICATION FILED APR.2.1907

2 SHEETS-SHEET 2.

aficiona o WILLIAM E. ETHRIDGE, OF SOHLATEB MIS SISSIPPI.

VALVE-DISCHARGE.

Specification of Letters Patent. Application filed April 2. 1907. SerialNo- 366.031.

Patented Dec. 24, 1907. e

To all whom it may concern:

Bl: it known that I, WILLIAM E. ETH- RIDGE, citizen of the UnitedStates, residing ,at Schlater, in the county of Leflore and State ofMississippi, have invented certain new and useful Improvements inValve-Discharges, of which the following is a specification.

This invention relatesto means for preventingback current of pneumaticconve er for discharging material of any kind an is particularly adaptedfor the pneumatic disi charge of cotton gins and mills.

For a full description of the invention and the merits thereof and alsoto acquire a knowledge of the details of construction an the means foreffecting the result, reference is to be had to the followingdescription and accom anying drawings.-

VVhi e the invention may be adapted to different forms and conditions bychanges in the structure and minor details without departing from thespirit or essential features thereof, still the. preferred embodiment isshown in the accompanying drawings, in which:

Figure 1 is asidevview of a pneumatic discharge or conveyer providedwith a valve Fig. 2 is a sec-- embodying the invention. tional view ofthe valve showing the parts on a larger scale. Fig. 3 isa sectional viewof the valve on the liner-11: of Fig. 2. Fig. 4'is a modificationshowing. the spiral flight ofthe feeder meshing with the blades of thero- 138.18 valve. y

orresponding and like parts are referred to in the following descriptionand indicated in all the views of the drawings by the same referencecharacters.

The numeral 1 indicates the neumatic discharge which may be either oft eblast or suction type, the valve being of special advantagein'connection with a blast discharge since it prevents the air ressureaffecting the delivery of the material to the discharge for conveyancethereby to the required point.

The pneumatic discharge may conslst of a pipe duct or conveyer of anytype such as commonly employed for directing material to the requiredpoint of deliver A fan blower 2 is connected with the dlscharge 1 andcreates a current therethrough for mov ing thematerial to the endthereof. At the point of delivery of the material to the discharge 1, islocated the valve which is of such construction as to prevent any backcurrent,

pneumatic discharge 1.

' yet insuring a positive delivery of the mate'- rial to the discharge.

prises a shaft 3 and blades 4 the spaces between the blades formingpockets or receptacles which receive a quantity of the material anddeliver the same into the conveyor or The rotary valve isarranged-within a box or casing 5 which opens into the conveyer ordischar e 1 to The bottom portion of the box or cas' is to the diameterof the'rotary valve to insure a close fit between said valve and the boxor casing with the result of preventing air entering between the valveand bottom ortion 6 of the box or casin and passing into the feeder orother device y means of which the latter to the discharge or pneumaticcon-. veyer. An apron 7 is adapted to bear againstthe rotary valve atapoint about opposite to the rounded part 6 of the. box or pneumaticconveyor passing by the valve pivoted at its uppbr end and is pressedtowards thevalv at its lower end by means of a sprin 8 which may be ofany type. The ends 0 the valve fit the sides of the box or casing 5close to prevent air passing thereby into the feeder.

be of any size, capacity and constructlon and ma be formed of wood ormetal or other-so ected material best adapted for the purpose.

' The valve in operation is rotated so that its 11 per portiontravelstowards the apron 7 and by having the latter spring actuated foryielding, it may move to permit any material-to pass which wouldotherwlse lodge between the rota .valve and apron and either producebinding or tend to displace or strain the mechanism. Thefeeder" 9 mayreceive the material to be delivered to the pneumatic 'conveyer ordischarge 1. The valve is interposed between the feeder and dischargeand receives the material from the feeder and delivers the same into thepneumatic discharge. In cotton gin machinery, the feeder 9 may be theseed conveyer box into which the seed from .the gins are delivered andconveyed thereby to" the pneumatic discharge. A spiral or auger conthematerial is delivered to the valve and by mto the feeder. .The apron-71s hinged or The rotary valve may.

The valve is of the rotary type and com insure delivery of the materialt ereto.

formed on the arc of a'circle corre'spon mg casing and serves topreventairfrom the be a trough, chute, or, pipe and is adapted to veyer isarranged in the box or trough 9 to positively move the seed or materialtherethrough and towards the rotary valve.

- stances t e construction shown in Fig. 4, 'i. e.,

by having the flight ofthe conveyer 10 enage with the bla es of therotary valve may be preferred, thereby economizing space and greatlysimplifyin the construction. 4

Havin thus escribed the invention, What is c aimed as new is:

1. In combination, a pneumatic discharge, a feeder, a rotary valvelocated intermediate the feeder and pneumatic discharge, and a springactuated apron held in contact with rounded bottom portion of the same,and a spring actuated apron in contact with the valve at a oint oppositeto the rounded portion of t 1e box, thereby preventing air from thepneumatic discharge finding its way into the feeder and insuringpositive and regular discharge of the feeder into the pneumaticconveyer.

In testimony whereof I affix my signature in presence of two witnesses.

WILLIAM E. ETHRIDGE.

Witnesses:

JAMES F. CRoWELL. HARRY KAHN.

